Onion Roasted Potatoes with Brussels Sprouts

• 1/4 cup Dry Onion Soup Mix (or 1 packet Lipton)
• 2 lbs of potatoes, cubed
• 1 lb brussels sprouts, trimmed and sliced thin
• 1-2 sweet peppers, cubed (optional)
• 1/3 cup olive oil

Dry Onion Soup Mix (makes equivalent of 2 packets , or 1/2 cup total, or 2 oz. total)

• 1/2 cup dried chopped onions
• 1 tsp onion powder
• 1 tsp garlic powder
• 1/2 tsp celery seed or flakes
• 1/2 tsp pepper
• 1 tsp dried parsley
• 1 tsp salt